I’ve used BBEdit ages ago, but these days SublimeText is fine as well. And perhaps even better (again, not sure since I haven’t used BBEdit for ages). From my

I’ve used BBEdit ages ago, but these days SublimeText is fine as well. And perhaps even better (again, not sure since I haven’t used BBEdit for ages). From my experience SublimeText handles large files fine, but I never really tried to open multi-gigabyte size files. I love SublimeText, it’s my favorite text editor and also multiplatform, so I have the same experience and tools on macOS, Windows & Linux.